coal mine
Americannoun
Other Word Forms
Etymology
Origin of coal mine
First recorded in 1605–15
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They compared the monitoring approach to a canary in a coal mine because it may provide an efficient way to detect major shifts in this climate-regulating circulation.
From Science Daily • May 10, 2026
Nine people have died in an explosion at a coal mine in Colombia in the latest fatal accident to hit the country's mining sector.
From BBC • May 5, 2026
Farallon also invested in fossil fuel projects, including an Australian coal mine that denuded thousands of acres of koala habitat and generated an enormous amount of carbon emissions.
From Los Angeles Times • Apr. 6, 2026
The year is 1929, and 13-year-old Ondro Prach works in the Pennsylvania coal mine where his father died five years before.
From The Wall Street Journal • Feb. 27, 2026
The fair, according to one later appraisal, was a more dangerous place to work than a coal mine.
From "The Devil in the White City" by Erik Larson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
